Convert string to long integer: how to use strtol : String Convert « String « C / ANSI-C






Convert string to long integer: how to use strtol


#include <stdio.h>
#include <stdlib.h>

int main ()
{
  char str[256];
  char *p;
  long l;
  
  printf ("Enter an long value: ");
  
  gets (str);
  l = strtol (str, &p, 0);
  
  printf ("Value entered: %ld. Its double: %ld\n", l, l * 2);
  
  return 0;
}

           
       








Related examples in the same category

1.Join array of strings into a single string
2.Convert one or more floating-point values into a single string
3. Convert string to double-precision floating-point value
4.Change string to integer
5.Convert string entered to integer
6.Convert string entered to long
7. Convert string to double: How to use atof: sines calculator
8. Convert string to integer: atoi
9. Convert string to long : atol
10. Print formatted data to a string: how to use sprintf
11.Convert string to double: how to use atof
12. Convert string to double-precision floating-point value: how to use strtod
13. Convert string to unsigned long integer: how to use strtoul
14.Convert string to int, double and long
15.Absolute value of long integer: how to use labs